NZ: New Zealand
OAPEC: Organization of Arab Petroleum Exporting Countries
OAS: Organization of American States
ODA: official development assistance
ODF: Official Development Finance
OECD: Organization for Economic Cooperation and Development
OECS: Organization of Eastern Caribbean States
OIC: Organization of the Islamic Conference
OOF: other official flows
OPANAL: Agency for the Prohibition of Nuclear Weapons in Latin America and the Caribbean